Provides rationale for and description of an acid rain game (designed for two players), a problem-solving model for elementary students. Although complete instructions are provided, including a copy of the game board, the game is also available for Apple II microcomputers. Information for the computer program is available from the author.…

Describes school science activities in which students race model cars built from mousetraps, construct inventions using discarded junk, and compete in an egg dropping contest. (SL)

Describes problem-solving activities in the Unified Sciences and Mathematics for Elementary Schools (USMES) and Elementary Science Study (ESS) programs. Indicates that these curricula serve as excellent sources of activities to develop and improve their students' problem-solving skills. (Author/JN)

Describes a science laboratory experiment that can be done at home with the assistance of parents or older siblings. It is offered as an alternative to reading assignments or answering questions for homework. Parental assistance is encouraged. (SA)

Describes how teachers can use wheels of tricycles, bicycles, and trains to stimulate children with mathematics, relative position, and engineering concepts. Techniques are offered for measuring circumference of a bicycle wheel, gear ratios, and pedal wheel circumferences. Comparative data are given for various sized wheels. (Author/SA)

Listed with examples are six levels of thinking. The design of lessons to teach higher order thinking is discussed. A sample lesson on spontaneous generation which uses this method is provided. (CW)

Discussed is a way to develop an integrated unit based on a fictional book. An example for constructing a unit is included as well as activities from units that consider birds, volcanoes, and measurement. Each unit contains a summary, topic areas, content-related words, activities, related books and references. (KR)

Illustrated are five classroom projects about the relationship between weight and size in animals. Background information and procedures are provided. Ten extension activities are suggested. (CW)

In 1985, participants in the Second International Science Study developed and evaluated hands-on problem-solving activities and gave students the opportunity to demonstrate mastery of science process skills. Six evaluation stations for fifth and sixth graders are presented: Blowing in a Liquid, Compare and Contrast, Electrical Circuit, Hot and…